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DeepSeek-V4-Pro vs GPT-5.6 Sol

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DeepSeek-V4-ProGPT-5.6 Sol
AttributeDeepSeek-V4-ProDeepSeek · 3 in the newsGPT-5.6 SolOpenAI · 3 in the news
Scores
Intelligence (ECI)150162
Coding7496
Math8597
Reasoning & Knowledge6696
Agentic & Tools9244
Specifications
DeveloperDeepSeekOpenAI
FamilyDeepSeekGPT
ReleasedApr 24, 2026Jul 9, 2026
Parameters1.6T
AvailabilityOpen weights (unrestricted)API access
Context window1M1.1M
Price — $/M input$0.43$5.00
Price — $/M output$0.87$30.00
Inputstextfile, image, text
Outputstexttext
Benchmarks
AIME 2024/202597%100%
GPQA Diamond90%93%
Humanity's Last Exam36%47%
SciCode50%56%
SimpleBench61%72%
SimpleQA Verified57%72%
SWE-bench Verified78%
WebDev Arena1464
WeirdML49%89%
τ²-bench96%85%
ARC-AGI98%
ARC-AGI-293%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.